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/*
 *  Licensed to GraphHopper GmbH under one or more contributor
 *  license agreements. See the NOTICE file distributed with this work for
 *  additional information regarding copyright ownership.
 *
 *  GraphHopper GmbH licenses this file to you under the Apache License,
 *  Version 2.0 (the "License"); you may not use this file except in
 *  compliance with the License. You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.graphhopper.ui;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.util.ArrayList;
import java.util.Collection;

/**
 * @author Peter Karich
 */
public class LayeredPanel extends JPanel {
    private final Collection layers;

    public LayeredPanel() {
        this(new ArrayList());
    }

    public LayeredPanel(Collection layer) {
        this.layers = layer;
        this.addComponentListener(new ComponentAdapter() {
            @Override
            public void componentResized(ComponentEvent e) {
                int w = e.getComponent().getWidth();
                int h = e.getComponent().getHeight();
                System.out.println("mainResized:" + w + " " + h);
                for (MapLayer ml : layers) {
                    ml.setBounds(new Rectangle(0, 0, w, h));
                }
                repaint();
            }
        });
    }

    public void setBuffering(boolean enable) {
        for (MapLayer ml : layers) {
            ml.setBuffering(enable);
        }
    }

    public void addLayer(MapLayer ml) {
        layers.add(ml);
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2 = (Graphics2D) g;
//        StopWatch sw = new StopWatch();

        g2.clearRect(0, 0, getBounds().width, getBounds().height);

//        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
//        g2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED);
//        int counter = 0;
        for (MapLayer ml : layers) {
//            sw.start();
            ml.paint(g2);
//            System.out.println(++counter + " | mainRepaint took " + sw.stop().getSeconds() + " sec");
        }
//        System.out.println("paintComponents");
    }
}